Are you over 40 and struggling to read small print? You might be developing presbyopia, a condition that affects many of those who are approaching middle age. It's comforting to know that having presbyopia when you already wear glasses for near sightedness doesn't mean you need to start switching between two pairs of specs. Multifocal lenses, which correct problems with both near and far sight, allow you to see clearly at all distances with one pair of glasses.
Multifocals are much better than bifocals. Bifocals did correct problems with both near and far vision, but often objects in between were blurry. In an effort to create something more helpful, progressive lenses were developed, which offer and intermediate or transition region allowing you focus on everything between things like the books you read and far objects like road signs. But what creates this effect? Well, progressive lenses feature a gradual curvature, unlike a bifocal lens, which is sharply sectioned. For this reason, progressive lenses are also known as no-line lenses.
However, it can take a bit of time to adjust to these lenses. While the invisible transition of progressive lenses is more aesthetically pleasing, the lens's areas of focus are relatively small, so that there's also room for transitional areas.
Bifocals still have their uses though; they are used to treat kids and teens who have a hard time focusing when reading.
When you go get fitted for multifocal lenses, make sure it's with an eye care professional you trust. Multifocal lenses are most beneficial when they're customized to your eyes, needs and line of vision.
A badly fitted pair of glasses can lead to eye strain, discomfort and headaches. Unfortunately, presbyopia is a reality of getting older. But don't forget; multifocal lenses can make all the difference.